Unpaid worker (9)
'unpaid worker' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for volunteer that I've seen before include "Offer to work for nothing" , "Opposite of conscript" , "Unpaid helper" , "Offer one's services" , "One offering to perform unasked" .)
'unpaid worker' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for slave that I've seen before include "Forced labourer" , "Person in thraldom" , "Person owned by another" , "Drudge" , "Work excessively hard" .)